From a plot of land that she has occupied for 38 years while farming fish in Hong Kong’s San Tin area, Lai Kam-dai has watched as Shenzhen grew into a major city across the Sham Chun River.

Over recent years, China has been the largest importer of Vietnam’s tra fish, followed by the United States. Will this ...

Valued for its large size and rapid growth, it is a common sight in Hong Kong’s fish markets. Its affordability and impressive size have also made it a popular choice for local mercy release practices ...